drivers/net/ethernet/intel/ice/ice_flex_pipe.c:2826:44: sparse: sparse: non size-preserving pointer to integer cast

From: kernel test robot
Date: Sun Jul 05 2020 - 00:51:14 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 35e884f89df4c48566d745dc5a97a0d058d04263
commit: 148beb612031255156d68b342170140524afb36e ice: Initialize Flow Director resources
date: 6 weeks ago
config: i386-randconfig-s001-20200705 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-14) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.2-3-gfa153962-dirty
git checkout 148beb612031255156d68b342170140524afb36e
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>


sparse warnings: (new ones prefixed by >>)

>> drivers/net/ethernet/intel/ice/ice_flex_pipe.c:2826:44: sparse: sparse: non size-preserving pointer to integer cast
--
>> drivers/net/ethernet/intel/ice/ice_flow.c:832:20: sparse: sparse: non size-preserving pointer to integer cast
>> drivers/net/ethernet/intel/ice/ice_flow.c:860:17: sparse: sparse: non size-preserving integer to pointer cast

vim +2826 drivers/net/ethernet/intel/ice/ice_flex_pipe.c

2810
2811 /**
2812 * ice_free_flow_profs - free flow profile entries
2813 * @hw: pointer to the hardware structure
2814 * @blk_idx: HW block index
2815 */
2816 static void ice_free_flow_profs(struct ice_hw *hw, u8 blk_idx)
2817 {
2818 struct ice_flow_prof *p, *tmp;
2819
2820 mutex_lock(&hw->fl_profs_locks[blk_idx]);
2821 list_for_each_entry_safe(p, tmp, &hw->fl_profs[blk_idx], l_entry) {
2822 struct ice_flow_entry *e, *t;
2823
2824 list_for_each_entry_safe(e, t, &p->entries, l_entry)
2825 ice_flow_rem_entry(hw, (enum ice_block)blk_idx,
> 2826 ICE_FLOW_ENTRY_HNDL(e));
2827
2828 list_del(&p->l_entry);
2829 devm_kfree(ice_hw_to_dev(hw), p);
2830 }
2831 mutex_unlock(&hw->fl_profs_locks[blk_idx]);
2832
2833 /* if driver is in reset and tables are being cleared
2834 * re-initialize the flow profile list heads
2835 */
2836 INIT_LIST_HEAD(&hw->fl_profs[blk_idx]);
2837 }
2838

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip